Chemistry 9701/53 Oct Nov 2014 | Cambridge AS Level Past Papers With Mark Scheme

1. Determination of enthalpy change using Hess' Law for the reaction between magnesium and aluminium ions, incorporating calorimetric experiments with sulfuric acid.
2. Quantitative analysis of nickel(II) iodate solubility, involving solubility product calculations and mass determination through precipitation experiments.
3. Use of graph plotting and best-fit line analysis to evaluate relationships between added reactants and precipitate mass, including anomaly identification and predictive calculations.
4. Experimental setup considerations for improved accuracy, including measurements, procedural adjustments, and error minimization in chemical reactions.
5. Ionic and chemical equation derivations for reactions involving nickel, iodate, magnesium, and aluminium ions, supporting stoichiometric calculations and equilibrium analysis.
6. Advanced calculations related to solubility products, remaining dissolved ion concentrations, and associated molar quantities in aqueous solutions.